Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Neil deGrasse Tyson: What Happened Before The Big Bang?. and this video is uploaded by Discovery Panda at 2018-05-11T02:43:26-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [FMW6mc0-6qM]